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e08aac49ea
This is an optimistic version of create_diretories: it tries to create the directory first and looks at the parent only if that fails. Running strace on "mkdir -p" shows that it is pessimistic, calling mkdir on every element of the path. We could implement that if needed. In any case, with both strategies there is no reason to call stat, just check the return of mkdir. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201347 91177308-0d34-0410-b5e6-96231b3b80d8
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